Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11921406 | Projection display apparatus | Natsumi Akaiwa | 2024-03-05 |
| 8189253 | Shutter device and drive method | Akihiko Yamamura, Mamoru Nomoto | 2012-05-29 |
| 7959298 | Projection type display apparatus | Mitsuhiro Wada, Yoshimasa Fushimi | 2011-06-14 |
| 7901082 | Illumination optical device and projection display device | Mitsuhiro Wada | 2011-03-08 |
| 7165846 | Dichroic mirror and projection-type display unit | — | 2007-01-23 |
| 7118227 | Projection display device | Hideki Ishinaga, Takamasa Yoshikawa | 2006-10-10 |
| 7084931 | Projection video device | Toshiaki Tabuchi | 2006-08-01 |
| 7033030 | Projection-type display apparatus | Hideki Ishinaga, Takamasa Yoshikawa | 2006-04-25 |
| 6776510 | Light source device, adjusting device therefore and production method therefore, and illuminating device and projection type display device provided with light source device | Yuusaku Shimaoka, Takamasa Yoshikawa | 2004-08-17 |
| 6333770 | Liquid crystal panel with reducing means, manufacturing method therefore and projection display apparatus using the same | Hideki Omae, Hiroshi Takahara | 2001-12-25 |
| 6218679 | Display panel and display device using the same | Hiroshi Takahara | 2001-04-17 |
| 6049364 | Display panel and display device using the same | Hiroshi Takahara | 2000-04-11 |
| 5963283 | Liquid crystal panel with reducing means, manufacturing method therefor and projection display apparatus using the same | Hideki Omae, Hiroshi Takahara | 1999-10-05 |
| 5946054 | Optical apparatus, projection display apparatus and optical compensation method | Yoshito Miyatake | 1999-08-31 |
| 5795047 | Projection lens and projection display apparatus | Yoshito Miyatake | 1998-08-18 |
| 5734454 | Liquid crystal panel with reducing means, manufacturing method therefor and projection display apparatus using the same | Hideki Omae, Hiroshi Takahara | 1998-03-31 |
| 5673127 | Display panel and display device using a display panel | Hiroshi Takahara | 1997-09-30 |
| 5657160 | Polarization plane rotator applicable to polarization converter and projection display system | Yoshito Miyatake | 1997-08-12 |
| 5579138 | Polarizer having a glass substrate with films on either side with different wavelength characteristics and projection display using same | Yoshito Miyatake | 1996-11-26 |
| 5513035 | Infrared polarizer | Yoshito Miyatake | 1996-04-30 |
| 5453859 | Polarization beam splitter and projection display apparatus | Yoshito Miyatake | 1995-09-26 |
| 5357370 | Polarizer and light valve image projector having the polarizer | Yoshito Miyatake | 1994-10-18 |